- The unique nature of the Sonic & Knuckles cartridge has led to some people making some ridiculous cartridge◊ stacks◊ out of them.
- Just anytime Knuckles traps Sonic and Tails and laughing about it.
- When you enter Mushroom Hill Zone after finishing Launch Base, Sonic and Tails or just Tails fly in and land. Knuckles, on the other hand, falls from the sky, and his expression is hilarious.
- In Flying Battery Zone Act 2, apparently Eggman's idea of trying to stop the heroes is with a laser that's not only very sluggish at aiming, but also ends up destroying the entire flying fortress.
Funny / Sonic 3 & Knuckles